/**
 * form_utils.js
 *
 * Copyright 2009, Moxiecode Systems AB
 * Released under LGPL License.
 *
 * License: http://tinymce.moxiecode.com/license
 * Contributing: http://tinymce.moxiecode.com/contributing
 */

var themeBaseURL = tinyMCEPopup.editor.baseURI.toAbsolute('themes/' + tinyMCEPopup.getParam("theme"));

function getColorPickerHTML(id, target_form_element) {
    var h = "", dom = tinyMCEPopup.dom;

    if (label = dom.select('label[for=' + target_form_element + ']')[0]) {
        label.id = label.id || dom.uniqueId();
    }

    h += '<a role="button" aria-labelledby="' + id + '_label" id="' + id + '_link" href="javascript:;" onclick="tinyMCEPopup.pickColor(event,\'' + target_form_element +'\');" onmousedown="return false;" class="pickcolor">';
    h += '<span id="' + id + '" title="' + tinyMCEPopup.getLang('browse') + '">&nbsp;<span id="' + id + '_label" class="mceVoiceLabel mceIconOnly" style="display:none;">' + tinyMCEPopup.getLang('browse') + '</span></span></a>';

    return h;
}

function updateColor(img_id, form_element_id) {
    document.getElementById(img_id).style.backgroundColor = document.forms[0].elements[form_element_id].value;
}

function setBrowserDisabled(id, state) {
    var img = document.getElementById(id);
    var lnk = document.getElementById(id + "_link");

    if (lnk) {
        if (state) {
            lnk.setAttribute("realhref", lnk.getAttribute("href"));
            lnk.removeAttribute("href");
            tinyMCEPopup.dom.addClass(img, 'disabled');
        } else {
            if (lnk.getAttribute("realhref"))
                lnk.setAttribute("href", lnk.getAttribute("realhref"));

            tinyMCEPopup.dom.removeClass(img, 'disabled');
        }
    }
}

function getBrowserHTML(id, target_form_element, type, prefix) {
    var option = prefix + "_" + type + "_browser_callback", cb, html;

    cb = tinyMCEPopup.getParam(option, tinyMCEPopup.getParam("file_browser_callback"));

    if (!cb)
        return "";

    html = "";
    html += '<a id="' + id + '_link" href="javascript:openBrowser(\'' + id + '\',\'' + target_form_element + '\', \'' + type + '\',\'' + option + '\');" onmousedown="return false;" class="browse">';
    html += '<span id="' + id + '" title="' + tinyMCEPopup.getLang('browse') + '">&nbsp;</span></a>';

    return html;
}

function openBrowser(img_id, target_form_element, type, option) {
    var img = document.getElementById(img_id);

    if (img.className != "mceButtonDisabled")
        tinyMCEPopup.openBrowser(target_form_element, type, option);
}

function selectByValue(form_obj, field_name, value, add_custom, ignore_case) {
    if (!form_obj || !form_obj.elements[field_name])
        return;

    if (!value)
        value = "";

    var sel = form_obj.elements[field_name];

    var found = false;
    for (var i=0; i<sel.options.length; i++) {
        var option = sel.options[i];

        if (option.value == value || (ignore_case && option.value.toLowerCase() == value.toLowerCase())) {
            option.selected = true;
            found = true;
        } else
            option.selected = false;
    }

    if (!found && add_custom && value != '') {
        var option = new Option(value, value);
        option.selected = true;
        sel.options[sel.options.length] = option;
        sel.selectedIndex = sel.options.length - 1;
    }

    return found;
}

function getSelectValue(form_obj, field_name) {
    var elm = form_obj.elements[field_name];

    if (elm == null || elm.options == null || elm.selectedIndex === -1)
        return "";

    return elm.options[elm.selectedIndex].value;
}

function addSelectValue(form_obj, field_name, name, value) {
    var s = form_obj.elements[field_name];
    var o = new Option(name, value);
    s.options[s.options.length] = o;
}

function addClassesToList(list_id, specific_option) {
    // Setup class droplist
    var styleSelectElm = document.getElementById(list_id);
    var styles = tinyMCEPopup.getParam('theme_advanced_styles', false);
    styles = tinyMCEPopup.getParam(specific_option, styles);

    if (styles) {
        var stylesAr = styles.split(';');

        for (var i=0; i<stylesAr.length; i++) {
            if (stylesAr != "") {
                var key, value;

                key = stylesAr[i].split('=')[0];
                value = stylesAr[i].split('=')[1];

                styleSelectElm.options[styleSelectElm.length] = new Option(key, value);
            }
        }
    } else {
        tinymce.each(tinyMCEPopup.editor.dom.getClasses(), function(o) {
            styleSelectElm.options[styleSelectElm.length] = new Option(o.title || o['class'], o['class']);
        });
    }
}

function isVisible(element_id) {
    var elm = document.getElementById(element_id);

    return elm && elm.style.display != "none";
}

function convertRGBToHex(col) {
    var re = new RegExp("rgb\\s*\\(\\s*([0-9]+).*,\\s*([0-9]+).*,\\s*([0-9]+).*\\)", "gi");

    var rgb = col.replace(re, "$1,$2,$3").split(',');
    if (rgb.length == 3) {
        r = parseInt(rgb[0]).toString(16);
        g = parseInt(rgb[1]).toString(16);
        b = parseInt(rgb[2]).toString(16);

        r = r.length == 1 ? '0' + r : r;
        g = g.length == 1 ? '0' + g : g;
        b = b.length == 1 ? '0' + b : b;

        return "#" + r + g + b;
    }

    return col;
}

function convertHexToRGB(col) {
    if (col.indexOf('#') != -1) {
        col = col.replace(new RegExp('[^0-9A-F]', 'gi'), '');

        r = parseInt(col.substring(0, 2), 16);
        g = parseInt(col.substring(2, 4), 16);
        b = parseInt(col.substring(4, 6), 16);

        return "rgb(" + r + "," + g + "," + b + ")";
    }

    return col;
}

function trimSize(size) {
    return size.replace(/([0-9\.]+)(px|%|in|cm|mm|em|ex|pt|pc)/i, '$1$2');
}

function getCSSSize(size) {
    size = trimSize(size);

    if (size == "")
        return "";

    // Add px
    if (/^[0-9]+$/.test(size))
        size += 'px';
    // Sanity check, IE doesn't like broken values
    else if (!(/^[0-9\.]+(px|%|in|cm|mm|em|ex|pt|pc)$/i.test(size)))
        return "";

    return size;
}

function getStyle(elm, attrib, style) {
    var val = tinyMCEPopup.dom.getAttrib(elm, attrib);

    if (val != '')
        return '' + val;

    if (typeof(style) == 'undefined')
        style = attrib;

    return tinyMCEPopup.dom.getStyle(elm, style);
}
